Please complete all and give a little explanation. thanks, I will give a good rating

operation Research course

The activities ropuired th service a car at a dealer can be viewed as a nuni-project, summariscd in the following table: Table 1: letivity I imes and Iredeceseirs NB: Time periods are in weeks A. Draw the activity network for this problem (either AON or AOA). (6 marks) B. Determine expected time and variance for each activity. (6 marks) C. Show the activity schedule (ES, EF, LS, LF) as well as the slack. You may work in the network or show the results in a table. (8 marks) D. Determine and state the critical path for this project. This must be based on your work at C. and not by inspection. (2 marks) E. What is the expected time, variance and standard deviation of this project? (3 marks) F. What is the probability that the project will be finished within 30 days? (5 marks) (Total 30 marks)